Do you have any morsel of sympathy, empathy or any other nice word ending with "thy" for those two aberrations?

Notice how they already had one kid who died due to congenital heart failure.....hmmm I wonder if the mingling of their gross genes could have possibly contributed to this?

Incest is the oldest taboo and possibly the oldest law in the world for a variety of reasons. This isn't like the proscriptions against homosexual relationships or adultery, which have been mostly removed as cultures become more tolerant and secular. Incest will never be deemed acceptable in any society, what they are doing is completely and utterly wrong and indefensible, the excuse that they were practically strangers to each other is irrelevant, it's still wrong.